diff --git a/docker/Dockerfile b/docker/Dockerfile
index 9549dbd..2a2c1b9 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:alpine as build
+FROM golang:alpine AS build
 WORKDIR /app
 ARG VERSION=0.3.0
 
diff --git a/docker/Dockerfile-dev b/docker/Dockerfile-dev
index 5c340b2..10273ea 100644
--- a/docker/Dockerfile-dev
+++ b/docker/Dockerfile-dev
@@ -1,4 +1,4 @@
-FROM golang:alpine as build
+FROM golang:alpine AS build
 WORKDIR /app
 
 COPY . .